Western DigitalWDC
13F holders, Q1 2026 (March 31)1,422holders +247
336new positions
99sold out
11famous investors
$268.77avg. 13F price*
At the end of Q1 2026, 1,422 institutions reported holding Western Digital Corp. (WDC) in their 13F filings, up 247 from Q4 2025. 336 opened new positions and 99 sold out. The largest holders were BlackRock, Inc. ($9.7B), FMR LLC ($8.6B) and Vanguard Capital Management LLC ($6.0B). 11 famous investors held it, including Alex Sacerdote (1.4% of Whale Rock Capital Management's portfolio), David E. Shaw (0.6% of D. E. Shaw & Co.'s portfolio) and Jim Simons / Peter Brown (0.5% of Renaissance Technologies's portfolio).
- Company
- Western Digital Corp.
- Sector
- Technology
- CUSIP
- 958102105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 336 | $2.6B |
| Exits | 99 | $415.9M |
All 13F filers, Q4 2025 → Q1 2026: 36,881,112 shares bought and 40,285,620 shares sold, net −3,404,508 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,422 holders
| BlackRock, Inc. | 0.17% | Add +0.7% | 35,769,222 | $9.7B |
| FMR LLC | 0.45% | Reduce -6.4% | 31,623,418 | $8.6B |
| Vanguard Capital Management LLC | 0.15% | — | 22,034,861 | $6.0B |
| Vanguard Portfolio Management LLC | 0.24% | — | 17,172,653 | $4.6B |
| JPMorgan Chase & Co. | 0.30% | Add +22.5% | 17,512,148 | $4.4B |
| State Street Corp. | 0.14% | Reduce -1.5% | 15,465,766 | $4.2B |
| Invesco Ltd. | 0.33% | Reduce -3.7% | 12,646,421 | $3.4B |
| Capital World Investors | 0.44% | Add +1017.0% | 11,880,038 | $3.2B |
| Geode Capital Management, LLC | 0.16% | Add +2.1% | 9,477,201 | $2.6B |
| Bank of America Corp. | 0.17% | Reduce -29.5% | 8,489,612 | $2.3B |
| Morgan Stanley | 0.13% | Reduce -11.2% | 7,939,106 | $2.1B |
| WCM Investment Management, LLC | 3.77% | Reduce -1.9% | 6,561,810 | $1.7B |
| Ameriprise Financial Inc. | 0.36% | Reduce -32.4% | 5,762,533 | $1.6B |
| Goldman Sachs Group Inc. | 0.19% | Add +18.6% | 5,406,883 | $1.5B |
| UBS Group AG | 0.20% | Reduce -8.1% | 4,182,454 | $1.1B |
| Northern Trust Corp. | 0.13% | Reduce -1.8% | 3,606,563 | $975.5M |
| AQR Capital Management | 0.42% | Add +16.4% | 3,459,565 | $913.0M |
| Capital Research Global Investors | 0.14% | New | 3,309,625 | $895.1M |
| Amundi | 0.23% | Add +27.5% | 3,058,867 | $827.4M |
| Nuveen, LLC | 0.22% | Reduce -35.1% | 2,959,245 | $800.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.16% | Add +3.3% | 2,902,748 | $785.2M |
| D. E. Shaw & Co. | 0.62% | Reduce -52.9% | 2,688,230 | $727.1M |
| Fred Alger Management, LLC | 3.16% | Reduce -0.9% | 2,659,835 | $719.5M |
| T. Rowe Price Associates Inc. | 0.08% | Add +1.3% | 2,646,484 | $715.8M |
| Bank of New York Mellon Corp | 0.12% | Add +21.0% | 2,508,752 | $678.6M |
| Dimensional Fund Advisors LP | 0.14% | Reduce -29.8% | 2,503,321 | $676.8M |
| Charles Schwab Investment Management Inc. | 0.09% | Reduce -2.6% | 2,206,941 | $597.0M |
| Legal & General Group Plc | 0.13% | Add +4.7% | 2,129,170 | $575.9M |
| Vanguard Fiduciary Trust Co. | 0.13% | — | 1,908,325 | $516.2M |
| Deutsche Bank AG | 0.17% | Reduce -16.1% | 1,872,796 | $506.6M |
| HSBC Holdings PLC | 0.25% | Add +21.9% | 1,545,167 | $417.0M |
| National Pension Service | 0.30% | Reduce -15.0% | 1,437,962 | $389.0M |
| Bank of Montreal | 0.16% | Add +36.3% | 1,405,042 | $380.0M |
| Maple Rock Capital Partners Inc. | 12.32% | Reduce -41.2% | 1,400,434 | $378.8M |
| AMF Tjanstepension AB | 2.46% | Reduce -22.3% | 1,373,910 | $371.6M |
| Value Aligned Research Advisors, LLC | 4.15% | New | 1,295,439 | $350.4M |
| Royal Bank of Canada | 0.07% | Reduce -35.9% | 1,271,074 | $343.8M |
| BNP Paribas Financial Markets | 0.22% | Reduce -15.0% | 1,188,956 | $321.6M |
| Soroban Capital Partners LP | 2.22% | No change | 1,146,273 | $310.1M |
| Renaissance Technologies | 0.48% | Add +15.5% | 1,146,133 | $310.0M |
| Barclays PLC | 0.10% | Reduce -31.2% | 1,050,033 | $284.0M |
| Wells Fargo & Company | 0.06% | Add +18.3% | 1,024,545 | $277.1M |
| Swiss National Bank | 0.16% | Add +5.5% | 1,003,307 | $271.4M |
| Robeco Institutional Asset Management B.V. | 0.38% | Reduce -28.5% | 984,685 | $266.3M |
| Polar Capital Holdings Plc | 1.15% | Add +6.5% | 972,432 | $263.0M |
| Marshall Wace, LLP | 0.27% | Add +475.4% | 931,323 | $251.9M |
| Nomura Asset Management International Inc. | 0.41% | Reduce -13.1% | 891,662 | $241.2M |
| Castle Hook Partners LP | 4.80% | Reduce -33.7% | 878,939 | $237.7M |
| Sumitomo Mitsui Trust Group, Inc. | 0.15% | Reduce -5.7% | 836,666 | $226.3M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.21% | Add +99.1% | 827,668 | $223.9M |
| Voya Investment Management LLC | 0.26% | Add +121.8% | 817,564 | $221.1M |
| WT Asset Management Ltd | 4.64% | Add +98.5% | 816,707 | $220.9M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.14% | Add +6.1% | 796,983 | $215.6M |
| Holocene Advisors, LP | 0.50% | Reduce -18.5% | 761,886 | $206.1M |
| Vanguard Global Advisers, LLC | 0.11% | — | 745,156 | $201.6M |
| Anther Capital Ltd | 5.04% | — | 712,395 | $192.7M |
| Envestnet Asset Management Inc. | 0.05% | Add +18.2% | 701,352 | $189.7M |
| Principal Financial Group Inc. | 0.10% | Reduce -31.9% | 676,042 | $182.9M |
| California Public Employees Retirement System | 0.11% | Reduce -15.9% | 671,717 | $181.7M |
| Clal Insurance Enterprises Holdings Ltd | 1.06% | Add +94.2% | 648,250 | $175.3M |
| Acadian Asset Management LLC | 0.24% | Add +248.9% | 629,886 | $170.3M |
| Point72 Asset Management | 0.31% | Add +249.0% | 623,944 | $168.8M |
| Prudential Financial Inc. | 0.21% | Reduce -39.5% | 616,644 | $166.8M |
| Balyasny Asset Management L.P. | 0.34% | Add +168.5% | 616,559 | $166.8M |
| Rhumbline Advisers | 0.14% | Reduce -6.4% | 594,405 | $160.8M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.14% | — | 588,392 | $159.2M |
| Jericho Capital Asset Management L.P. | 2.33% | New | 581,562 | $157.3M |
| Primecap Management Co. | 0.12% | Reduce -23.4% | 577,210 | $156.1M |
| Citigroup Inc. | 0.10% | Reduce -57.9% | 572,493 | $154.9M |
| Susquehanna International Group, LLP | 0.20% | Add +143.2% | 568,828 | $153.9M |
| California State Teachers Retirement System | 0.15% | Reduce -3.7% | 524,436 | $141.9M |
| Nomura Asset Management Co. Ltd. | 0.36% | Reduce -54.6% | 509,267 | $137.8M |
| ProShare Advisors LLC | 0.20% | Reduce -18.9% | 501,292 | $135.6M |
| Victory Capital Management Inc. | 0.09% | Reduce -15.4% | 497,009 | $134.4M |
| Sei Investments Co. | 0.12% | Add +5.1% | 495,174 | $133.9M |
| Alliancebernstein L.P. | 0.04% | Reduce -53.2% | 763,080 | $131.5M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.22% | Add +23.4% | 473,874 | $127.7M |
| Neuberger Berman Group LLC | 0.09% | Add +7.2% | 456,245 | $123.4M |
| National Bank of Canada | 0.12% | Add +58.9% | 434,731 | $117.6M |
| Natixis Advisors, LLC | 0.16% | Add +13.7% | 423,953 | $114.7M |
| Whale Rock Capital Management | 1.44% | New | 412,006 | $111.4M |
| Employees Provident Fund Board | 0.83% | New | 405,167 | $109.6M |
| Russell Investments Group, Ltd. | 0.12% | Add +17.5% | 401,675 | $107.5M |
| LPL Financial LLC | 0.03% | Add +19.1% | 396,886 | $107.4M |
| Parnassus Investments, LLC | 0.31% | Reduce -24.2% | 396,802 | $107.3M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.12% | Add +82.1% | 373,591 | $100.9M |
| First Trust Advisors LP | 0.07% | Reduce -41.0% | 369,889 | $100.1M |
| LSV Asset Management | 0.22% | Reduce -50.4% | 369,272 | $99.9M |
| Gotham Asset Management | 0.30% | Reduce -27.4% | 367,768 | $99.5M |
| Nordea Investment Management AB | 0.09% | Add +287.9% | 380,371 | $99.0M |
| Korea Investment CORP | 0.20% | Reduce -1.4% | 365,410 | $98.8M |
| Bank of Nova Scotia | 0.17% | Reduce -67.8% | 363,175 | $98.2M |
| Mackenzie Financial Corp. | 0.12% | Reduce -28.0% | 362,557 | $98.1M |
| Caisse de depot et placement du Quebec | 0.16% | Reduce -39.6% | 358,429 | $97.0M |
| Storebrand Asset Management As | 0.28% | Reduce -9.6% | 356,953 | $96.6M |
| Quadrature Capital Ltd | 1.14% | New | 354,942 | $96.0M |
| Trivest Advisors Ltd | 6.72% | Reduce -60.6% | 345,000 | $93.3M |
| Quantinno Capital Management LP | 0.15% | Reduce -9.3% | 338,635 | $91.6M |
| Canada Pension Plan Investment Board | 0.06% | Reduce -12.6% | 334,006 | $90.3M |
| Bahl & Gaynor LLC | 0.44% | Reduce -13.2% | 325,336 | $88.0M |
"% of holder's portfolio" is WDC's weight in each manager's 13F, not the share of Western Digital Corp. the manager owns.